Has anyone found a solution to this issue? I am using Arc10.1 and have experienced the same problem as mentioned above. The error message is a generic 'failed to execute' just as the original poster and says nothing about JAVA. I check that anyway using the above suggestion and my java.exe is present and up to data. I have tried all of the suggestions listed above to no avail. I can use all of the other interpolation routines it is only when I try to use a barrier with the spline that it fails. Any help is appreciated. -Jeff
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